Prosecutors say they found multiple electronic devices in her hotel room, including a signal detector that can seek out detect hidden cameras, another cell phone, nine USB drives and five SIM cards. There were also several credit cards in her name.
Zhang arrived in Newark on a flight from Shanghai on March 28, Garcia said. The incident occurred on March 30.

The Secret Service director reports directly to the Secretary of Homeland Security, Kirstjen Nielsen, who resigned on Sunday amid growing pressure from the President. The director oversees the Secret Service‘s work on both protection and investigations.